Imagine having a daylong Thanksgiving feast every day for a month, then, only paupers rations the rest of the year. University of Washington researchers have discovered Dolly Varden, a kind of trout, eating just that way in Alaskas Chignik Lake watershed.
A six-week feeding trial was conducted to investigate the suitability of animal oils as total replacement for cod liver oil (CO) in rainbow trout juvenile feeds. The effect of animal fats on the growth performance, survival and fatty acid profile was measured.…
Researchers from the USDA/ARS National Center for Cool and Cold Water Aquaculture, Leetown, USA have conducted genome scans of rainbow trout families from a single broodstock population to identify the effect quantitative trait loci (QTL) have on stress respon…
The annual production survey of fish farms in Scotland for 2011 was carried out by Marine Scotland Science (MSS). This survey collates annual production data from Scottish fin fish farm sites operated by authorised aquaculture production businesses.
Researchers based in Norway have successfully fractionated wheat distillers dried grains and solubles (WDDGS) to improve its nutritional value for rainbow trout.
There have been an increasing number of infections in fish associated with different species of Chryseobacterium, being considered potentially emerging pathogens. Nevertheless the knowledge of the diversity of species associated with fish disease is partial du…
It is widely understood that each fish species has an optimum temperature range and will lose appetite and grow more slowly when water temperatures go much above that range. Until recently the physical effects on the fish leading to these symptoms were not ful…
